Hong Kong issued its highest storm warning for first time since 2012, with 450 flights canceled and container port operation suspended.
The Hong Kong Observatory issued the No. 8 signal at 2:10 p.m., after hoisting signal No. 10 for five hours.
Severe Typhoon Hato has made landfall over Zhuhai of southern China and is forecast to move west-northwest into inland Guangdong.
About 450 flights have been canceled at Hong Kong International Airport as of 11 a.m., according to the Airport Authority.
Cathay Pacific said a majority of flights to and from Hong Kong between 6 a.m. and 5 p.m. on Wednesday have been suspended.
As of 11 a.m., a total of 34 people sought medical treatment at public hospitals in Hong Kong. Three died and two are missing from the impact of the Typhoon in Macau.
Many South China container ports and airports have closed, or will be severely disrupted as typhoon Hato hits. Anticipate departure delays for at least the next few days.